Single-player games like Gal Guardians: Servants of the Dark
Below are 16 single-player Steam games similar to Gal Guardians: Servants of the Dark, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Gal Guardians: Servants of the Dark page.
Ranked picks
- 1

Gal Guardians: Demon Purge
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.
In order to save their school after it turns into a massive demonic castle, two "Demon Hunter" sisters slash and shoot their way through this 2D action adventure. Players can swap between control of both characters on the fly, each with entirely different skillsets.
- 2

Bloodstained: Ritual of the Night
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.
Bloodstained: Ritual of the Night is an exploration-focused, side-scroller action RPG by Koji Igarashi. Play as Miriam, an orphan scarred by an alchemist's curse that slowly crystallizes her body. Battle through a demon-infested castle and defeat its master to save yourself, and all of humanity!
- 3

Tearscape
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.
As a hunter, you explore a dark, interconnected world filled with dungeons, relying on precise combat to survive. Battle grotesque monsters, expand your arsenal, and uncover hidden paths in a non-linear, pixel art journey.
- 4

Bloodstained: Curse of the Moon 2
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.
Koji Igarashi and Inti Creates are back with more retro sword-and-whip action! Curse of the Moon 2 brings classic 2D action and a dark, 8-bit aesthetic together with modern playability.
- 5

Salt and Sacrifice
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.
Join your fellow Marked Inquisitors in this online coop successor to award-winning 2016 Soulslike Salt and Sanctuary.
- 6

Bloodstained: Curse of the Moon
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.
Battle with swords and whips in this retro-style action game brought to you by game creator Koji Igarashi and Inti Creates! Play as Zangetsu, a demon slayer bearing a deep grudge, who must travel through perilous lands to defeat a powerful demon lurking in a dark castle.
- 7

Never Grave: The Witch and The Curse
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.
A Metroidvania x Roguelite where you journey with the aid of a cursed hat. Use a variety of magic or possess your enemies to reach the lowest levels! Bring back loot, build new facilities in your village, make a living and strengthen yourself for the next battle! Supports up to 4-player multiplayer.
- 8

Outer Terror
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.
DON’T DIE as you assemble a ridiculous arsenal of weapons and desperately hold out against massive hordes of creatures pulled from a variety of classic horror genres reminiscent of 80s and 90s Golden Age comics and B-movies in this stylish action-packed arcade roguelite.
- 9

YOHANE THE PARHELION -BLAZE in the DEEPBLUE-
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.
Yohane the Parhelion is an official spin-off of "Love Live! Sunshine". Yohane's fantasy world sets the stage for a 2D metroidvania in "Yohane the Parhelion: Blaze in the Deepblue"!
- 10

Symphony of the Stars
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required.
Explore a vast fantasy world in this top-down RPG. Sneak past enemies with overworld skills or engage them in strategic, turn-based combat. Solve puzzles and build the strength of your characters as an epic adventure unfolds!
- 11

Metroidvania Maker
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.
Create, play, and share custom Metroidvania worlds with a built-in world editor, co-op play, and player-made adventures.
- 12

Gal*Gun 2
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.
Notoriously lewd first-person shooter, where you find yourself irresistible to every girl in school! Fend off their advances as you explore the school grounds. Use gadgets to expel mischievous demons and upgrade kit like the 'Demon Sweeper' to suck the skirts clean off your suitors!
- 13

Gal*Gun: Double Peace
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action and Adventure with Gal Guardians: Servants of the Dark.
A rail shooter, with a difference, replacing bullets with pheromone shots, and enemies with giddy love-obsessed school girls. Every love letter and advancing kiss drains your energy! Repel them while upgrading your power ups and take part in outrageously lewd mini-games to find your true love!
- 14

Azure Striker Gunvolt
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.
A 2D action game featuring a young man with the power of lightning who stands for freedom against the evil ambitions of a massive organization. When lightning strikes, a new legend is born.
- 15

Blaster Master Zero
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.
Mutant scum never learn! Blaster Master Zero makes its Steam debut! Blaster Master Zero is a 8-bit style top-down & sideview 2D action-adventure game that hearkens back to the golden age of the NES. The game features new gameplay elements such as improved gameplay, and a more robust scenario.
- 16

Dragon Marked For Death
Single-player alternative to Gal Guardians: Servants of the Dark — playable solo, no multiplayer required. Shares Action with Gal Guardians: Servants of the Dark.
Dragon Marked For Death is a 2D side-scrolling action RPG game where up to 4 players can play together in online multiplayer. The characters, known as the Dragonblood Clan, have forged a pact with the Astral Dragon, which granted them special new powers.